/* 
 * Copyright 2013 JiaJun.Ltd  All rights reserved.
 * SiChuan JiaJun.Ltd PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 * 
 * @PullListViewHeader.java  2013-12-11 9:19:13 - Carson
 * @author YanXu
 * @email:981385016@qq.com
 * @version 1.0
 */

package com.givon.baseproject.xinlu.view;

import android.content.Context;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.RotateAnimation;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.givon.baseproject.xinlu.R;

public class PullListViewHeader extends LinearLayout {

	private final int ROTATE_ANIM_DURATION = 300;
	public final static int STATE_NORMAL = 0;
	public final static int STATE_READY = 1;
	public final static int STATE_REFRESHING = 2;
	private int mState = STATE_NORMAL;
	private LinearLayout mContainer;
	private ImageView mArrowImageView;
	private ProgressBar mProgressBar;
	private TextView mHintTextView;

	private Animation mRotateUpAnim;
	private Animation mRotateDownAnim;

	public PullListViewHeader(Context context) {
		super(context);
		initView(context);
	}

	public PullListViewHeader(Context context, AttributeSet attrs) {
		super(context, attrs);
		initView(context);
	}

	private void initView(Context context) {
		LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT,
				LayoutParams.WRAP_CONTENT);
		mContainer = (LinearLayout) LayoutInflater.from(context).inflate(
				R.layout.pull_listview_header, null);
		addView(mContainer, lp);
		setGravity(Gravity.BOTTOM);

		mArrowImageView = (ImageView) findViewById(R.id.listview_header_arrow);
		mHintTextView = (TextView) findViewById(R.id.listview_header_text);
		mProgressBar = (ProgressBar) findViewById(R.id.listview_header_progressbar);

		mRotateUpAnim = new RotateAnimation(0.0f, -180.0f, Animation.RELATIVE_TO_SELF, 0.5f,
				Animation.RELATIVE_TO_SELF, 0.5f);
		mRotateUpAnim.setDuration(ROTATE_ANIM_DURATION);
		mRotateUpAnim.setFillAfter(true);
		mRotateDownAnim = new RotateAnimation(-180.0f, 0.0f, Animation.RELATIVE_TO_SELF, 0.5f,
				Animation.RELATIVE_TO_SELF, 0.5f);
		mRotateDownAnim.setDuration(ROTATE_ANIM_DURATION);
		mRotateDownAnim.setFillAfter(true);
	}

	public void setState(int state) {
		if (state == mState)
			return;
		if (state == STATE_REFRESHING) {
			mArrowImageView.clearAnimation();
			mArrowImageView.setVisibility(View.INVISIBLE);
			mProgressBar.setVisibility(View.VISIBLE);
		} else {
			mArrowImageView.setVisibility(View.VISIBLE);
			mProgressBar.setVisibility(View.INVISIBLE);
		}
		switch (state) {
		case STATE_NORMAL:
			if (mState == STATE_READY) {
				mArrowImageView.startAnimation(mRotateDownAnim);
			}
			if (mState == STATE_REFRESHING) {
				mArrowImageView.clearAnimation();
			}
			mHintTextView.setText(R.string.pull_to_refresh_normal);
			break;
		case STATE_READY:
			if (mState != STATE_READY) {
				mArrowImageView.clearAnimation();
				mArrowImageView.startAnimation(mRotateUpAnim);
				mHintTextView.setText(R.string.pull_to_refresh_ready);
			}
			break;
		case STATE_REFRESHING:
			mHintTextView.setText(R.string.pull_to_refresh_loading);
			break;
		default:
		}

		mState = state;
	}

	public void setVisiableHeight(int height) {
		if (height < 0)
			height = 0;
		LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) mContainer.getLayoutParams();
		lp.height = height;
		mContainer.setLayoutParams(lp);
	}

	public int getVisiableHeight() {
		return mContainer.getHeight();
	}

}
